NashTech Insights

Monkey Testing : ad hoc testing

Sujeet Kumar Srivastava
Sujeet Kumar Srivastava
Table of Contents

Hi readers, In this blog we will discuss about what, why and how of monkey testing. we will explore its benefits and how to implement it effectively.

As software testers, we always strive to deliver high-quality and bug-free applications. However, despite our best efforts, there are always unexpected issues that arise during the testing phase. This is where monkey testing comes into play.

Monkey testing is a technique used in software testing to determine the stability and reliability of an application by randomly generating inputs and monitoring the application’s behaviour.

It is an exploratory testing method that helps identify potential problems early on in the development process, reducing the risk of critical failures in production.

What is Monkey Testing?

Monkey testing is a software testing technique that involves randomly generating inputs and executing them on a software application to uncover unexpected behaviours and potential bugs.

The name “monkey testing” comes from the idea. The idea is that a monkey randomly playing with a machine could cause unexpected results. random inputs can reveal hidden bugs in a software application.

Why Conduct Monkey Testing?

Monkey testing is a valuable technique because it can uncover unexpected behaviours and bugs that you might not discover through other testing methods. It’s also a great way to test the robustness and stability of an application. It simulates the types of random inputs and actions that real-world users might make.

For example, a tester might randomly generate and enter data into a form, simulate unexpected keyboard inputs, or randomly click buttons or links. By doing this, the tester can uncover hidden bugs and errors that you might not discover through other testing methods, such as manual or automated testing.

How to Conduct Monkey Testing?

Conducting monkey testing is relatively straightforward. Here are the steps we can follow:

  • Define the scope of the test:
    Before you begin, it’s important to define the scope of the test. This includes the type of application you’re testing. The types of inputs and actions you’ll simulate, and any constraints or limitations you need to consider.
  • Select the right tool:
    Select a tool that will be used to generate random inputs. There are many open-source and commercial tools available that we can use for monkey testing.
  • Configure the tool:
    Configure the tool to generate the inputs according to the scope defined in Step 1.
  • Execute the inputs:
    With the random inputs generated, executing them on the application is time. As you do this, be sure to observe the application’s behaviour and note any unexpected results or errors that occur.

  • Analyse the results:
    Analyse the results of the testing process. Identify any unexpected behaviour or crashes that may have occurred.

Benefits of Monkey Testing

Monkey testing can be beneficial for several reasons:

  • Uncovering unexpected behaviours and bugs: By simulating random inputs and actions, monkey testing can uncover hidden bugs and errors that you may miss with other testing methods.
  • Improving application robustness and stability: By testing the application’s ability to handle random and unexpected inputs, monkey testing can help improve the application’s overall robustness and stability.
  • Increased confidence: By uncovering potential problems early on, monkey testing gives developers and testers greater confidence in the quality of their code.
  • Early detection of bugs: By generating random inputs, it helps detect bugs early in the development process, reducing the risk of critical failures in production.


In conclusion, monkey testing is a valuable technique for software developers and testers. By simulating random inputs and actions, It uncovers unexpected behaviours and bugs. It can improve the application’s robustness and stability, and offer a cost-effective testing method. So, if you’re looking to improve the quality of your software applications, consider incorporating this type of testing into your testing strategy.

Sujeet Kumar Srivastava

Sujeet Kumar Srivastava

I am a seasoned automation testing professional having sound knowledge of automation testing methodologies and tools. I have good understanding in designing and implementing test frameworks, creating test plans, and executing automated tests across multiple platforms and devices. I am always charged up for picking up & learning new things. On a personal front, I am fitness enthusiast and loves to play volleyball.

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